/* 1. Глобальные стили и переменные */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=Manrope:wght@600;700&display=swap');

:root {
    --font-heading: 'Manrope', sans-serif;
    --font-body: 'Inter', sans-serif;

    --color-bg: #0D1117;
    --color-surface: #161B22;
    --color-primary: #3B82F6;
    --color-primary-hover: #60A5FA;
    --color-text-primary: #E5E7EB;
    --color-text-secondary: #9CA3AF;
    --color-border: #30363D;

    --header-height: 70px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-primary);
    line-height: 1.3;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-primary-hover);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 2. Стили хедера */
.header {
    background-color: rgba(13, 17, 23, 0.8);
    border-bottom: 1px solid var(--color-border);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.header__logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.header__logo:hover {
    color: var(--color-text-primary);
}

.header__nav-list {
    display: flex;
    align-items: center;
    gap: 30px;
}

.header__nav-link {
    font-size: 16px;
    color: var(--color-text-secondary);
    padding: 5px 0;
    position: relative;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

.header__nav-link:hover {
    color: var(--color-text-primary);
}

.header__nav-link:hover::after {
    width: 100%;
}

.header__nav-link--cta {
    background-color: var(--color-primary);
    color: #fff;
    padding: 8px 20px;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.header__nav-link--cta:hover {
    background-color: var(--color-primary-hover);
    color: #fff;
}
.header__nav-link--cta::after {
    display: none;
}

.header__burger-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-primary);
    cursor: pointer;
}

/* 3. Стили футера */
.footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 60px 0;
    color: var(--color-text-secondary);
}

.footer__container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer__column--brand {
    grid-column: span 1;
}

.footer__logo {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-primary);
    display: inline-block;
    margin-bottom: 20px;
}

.footer__copyright {
    font-size: 14px;
}

.footer__title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-text-primary);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__link {
    color: var(--color-text-secondary);
    font-size: 15px;
}

.footer__link:hover {
    color: var(--color-text-primary);
}

.footer__list--contacts .footer__link,
.footer__address {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer__icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* 4. Адаптивность */
@media (max-width: 992px) {
    .footer__container {
        grid-template-columns: repeat(2, 1fr);
        gap: 50px;
    }
}

@media (max-width: 768px) {
    .header__nav {
        display: none; /* Будет реализовано позже с JS */
    }

    .header__burger-btn {
        display: block;
    }

    .footer__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__list--contacts .footer__link,
    .footer__address {
        justify-content: center;
    }
}

/* 5. Стили Hero секции */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero__canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero__container {
    position: relative;
    z-index: 2;
}

.hero__content {
    max-width: 800px;
    margin: 0 auto;
}

.hero__title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    opacity: 0;
    animation: fadeIn 1s forwards;
    animation-delay: 0.5s; /* Задержка для контента после печати */
}

/* Эффект печатающегося текста */
.hero__title--typing::after {
    content: '|';
    animation: blink 0.7s infinite;
    color: var(--color-primary);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}


.hero__subtitle {
    font-size: 20px;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeIn 1s forwards;
    animation-delay: 0.8s;
}

.hero__cta-btn {
    display: inline-block;
    background-color: var(--color-primary);
    color: #fff;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    opacity: 0;
    animation: fadeIn 1s forwards;
    animation-delay: 1.1s;
}

.hero__cta-btn:hover {
    background-color: var(--color-primary-hover);
    color: #fff;
    transform: translateY(-3px);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* Адаптивность для Hero */
@media (max-width: 768px) {
    .hero__title {
        font-size: 42px;
    }

    .hero__subtitle {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 500px;
    }
    .hero__title {
        font-size: 32px;
    }

    .hero__subtitle {
        font-size: 16px;
    }

    .hero__cta-btn {
        padding: 12px 28px;
        font-size: 16px;
    }
}

/* 6. Стили секции Services */
.services {
    padding: 100px 0;
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.services__header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.services__title {
    font-size: 42px;
    margin-bottom: 15px;
}

.services__subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.service-card__icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-surface);
    margin-bottom: 25px;
}

.service-card__icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.service-card__title {
    font-size: 22px;
    margin-bottom: 15px;
}

.service-card__description {
    font-size: 15px;
    color: var(--color-text-secondary);
}

/* Адаптивность для Services */
@media (max-width: 992px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .services {
        padding: 80px 0;
    }
    .services__title {
        font-size: 36px;
    }
}

@media (max-width: 576px) {
    .services__grid {
        grid-template-columns: 1fr;
    }
}

/* 7. Стили секции Cases */
.cases {
    padding: 100px 0;
    background-color: var(--color-bg);
}

.cases__header {
    text-align: center;
    margin-bottom: 60px;
}

.cases__title {
    font-size: 42px;
}

.case-study {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.case-study:last-child {
    margin-bottom: 0;
}

.case-study--reversed .case-study__image-wrapper {
    order: 2;
}

.case-study--reversed .case-study__content {
    order: 1;
}

.case-study__image-wrapper {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.case-study__image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.case-study__content {
    /* Стили для контента */
}

.case-study__title {
    font-size: 32px;
    margin-bottom: 25px;
}

.case-study__description {
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.case-study__description strong {
    color: var(--color-text-primary);
    font-weight: 500;
}

.case-study__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 30px;
}

.case-study__tag {
    background-color: var(--color-surface);
    color: var(--color-primary);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--color-primary);
}

/* Адаптивность для Cases */
@media (max-width: 992px) {
    .case-study {
        gap: 40px;
    }
    .case-study__title {
        font-size: 28px;
    }
}


@media (max-width: 768px) {
    .cases {
        padding: 80px 0;
    }
    .cases__title {
        font-size: 36px;
    }
    .case-study,
    .case-study--reversed {
        grid-template-columns: 1fr;
    }
    .case-study--reversed .case-study__image-wrapper,
    .case-study--reversed .case-study__content {
        order: initial; /* Сбрасываем порядок для мобильных */
    }
    .case-study__content {
        text-align: center;
    }
    .case-study__tags {
        justify-content: center;
    }
}

/* 8. Стили секции Process */
.process {
    padding: 100px 0;
    background-color: var(--color-surface);
}

.process__header {
    text-align: center;
    margin-bottom: 80px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.process__title {
    font-size: 42px;
    margin-bottom: 15px;
}

.process__subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
}

.process__timeline {
    position: relative;
    display: flex;
    justify-content: space-between;
}

/* Линия-коннектор для десктопа */
.process__timeline::before {
    content: '';
    position: absolute;
    top: 30px; /* на уровне центра иконок */
    left: 5%;
    right: 5%;
    height: 2px;
    background-color: var(--color-border);
    z-index: 1;
}

.process-step {
    width: 18%;
    position: relative;
    z-index: 2;
    text-align: center;
}

.process-step__header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 25px;
}

.process-step__icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg);
    border: 2px solid var(--color-border);
    color: var(--color-primary);
    margin-bottom: 20px;
    transition: border-color 0.3s ease, color 0.3s ease;
}

.process-step:hover .process-step__icon {
    border-color: var(--color-primary);
    color: var(--color-primary-hover);
}

.process-step__number {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 15px;
}

.process-step__title {
    font-size: 20px;
    margin-bottom: 10px;
}

.process-step__description {
    font-size: 14px;
    color: var(--color-text-secondary);
}


/* Адаптивность для Process */
@media (max-width: 992px) {
    .process-step__title {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .process {
        padding: 80px 0;
    }
    .process__title {
        font-size: 36px;
    }
    .process__timeline {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 40px; /* отступ для вертикальной линии */
    }
    
    /* Вертикальная линия-коннектор для мобильных */
    .process__timeline::before {
        top: 20px;
        bottom: 20px;
        left: 30px; /* Положение вертикальной линии */
        width: 2px;
        height: auto;
        right: auto;
    }

    .process-step {
        width: 100%;
        text-align: left;
        margin-bottom: 40px;
        display: flex;
        align-items: flex-start;
        gap: 20px;
    }
    .process-step:last-child {
        margin-bottom: 0;
    }

    .process-step__header {
        margin-bottom: 0;
        /* Иконка и номер будут слева от текста */
    }
    .process-step__icon {
        margin-bottom: 0;
    }
    .process-step__number {
        display: none; /* Скрываем номер, иконка уже центрирована */
    }
    .process-step__content {
        padding-top: 10px;
    }
}

/* 9. Стили секции Blog */
.blog {
    padding: 100px 0;
    background-color: var(--color-bg);
}

.blog__header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.blog__title {
    font-size: 42px;
    margin-bottom: 15px;
}

.blog__subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
}

.blog__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.blog-post {
    background-color: var(--color-surface);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-post:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.blog-post__link-wrapper {
    display: block;
    color: inherit;
    text-decoration: none;
}

.blog-post__link-wrapper:hover .blog-post__title {
    color: var(--color-primary);
}

.blog-post__image-wrapper {
    height: 200px;
}

.blog-post__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-post__content {
    padding: 25px;
}

.blog-post__meta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 14px;
}

.blog-post__category {
    color: var(--color-primary);
    font-weight: 500;
}

.blog-post__date {
    color: var(--color-text-secondary);
}

.blog-post__title {
    font-size: 20px;
    margin-bottom: 15px;
    line-height: 1.4;
    transition: color 0.3s ease;
    /* Ограничение в 3 строки */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;  
    overflow: hidden;
}

.blog-post__excerpt {
    font-size: 15px;
    color: var(--color-text-secondary);
    /* Ограничение в 2 строки */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;  
    overflow: hidden;
}

.blog__footer {
    text-align: center;
    margin-top: 60px;
}

.blog__view-all-btn {
    display: inline-block;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 12px 30px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.blog__view-all-btn:hover {
    background-color: var(--color-primary);
    color: #fff;
}

/* Адаптивность для Blog */
@media (max-width: 992px) {
    .blog__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .blog {
        padding: 80px 0;
    }
    .blog__title {
        font-size: 36px;
    }
}

@media (max-width: 576px) {
    .blog__grid {
        grid-template-columns: 1fr;
    }
}

/* 10. Стили секции Contact */
.contact {
    padding: 100px 0;
    background-color: var(--color-surface);
}

.contact__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.contact__title {
    font-size: 42px;
    margin-bottom: 20px;
}

.contact__subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
}

.contact__image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 12px;
}

.contact-form {
    background-color: var(--color-bg);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.contact-form__group {
    margin-bottom: 25px;
}

.contact-form__label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-text-secondary);
    font-size: 14px;
}

.contact-form__input {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-primary);
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.contact-form__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.contact-form__group--checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 20px;
}

.contact-form__checkbox {
    margin-top: 4px;
    flex-shrink: 0;
}

.contact-form__checkbox-label {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.contact-form__checkbox-label a {
    text-decoration: underline;
}

.contact-form__submit-btn {
    width: 100%;
    padding: 14px;
    background-color: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.contact-form__submit-btn:hover {
    background-color: var(--color-primary-hover);
}

.contact-form__submit-btn:disabled {
    background-color: var(--color-text-secondary);
    cursor: not-allowed;
}


.contact-form__message {
    margin-top: 20px;
    text-align: center;
    font-size: 15px;
    padding: 10px;
    border-radius: 8px;
    display: none; /* Скрыто по умолчанию */
}

.contact-form__message--success {
    display: block;
    background-color: rgba(22, 163, 74, 0.1);
    color: #4ADE80;
    border: 1px solid #22C55E;
}

.contact-form__message--error {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    color: #F87171;
    border: 1px solid #EF4444;
}

/* Адаптивность для Contact */
@media (max-width: 992px) {
    .contact__container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    .contact__info {
        text-align: center;
    }
    .contact__image {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .contact {
        padding: 80px 0;
    }
    .contact__title {
        font-size: 36px;
    }
}

/* 11. Стили Cookie Pop-up */
.cookie-popup {
    position: fixed;
    bottom: -100%; /* Изначально скрыт */
    left: 0;
    width: 100%;
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 20px;
    z-index: 2000;
    transition: bottom 0.5s ease-in-out;
}

.cookie-popup--show {
    bottom: 0;
}

.cookie-popup__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 20px;
}

.cookie-popup__text {
    color: var(--color-text-secondary);
    font-size: 15px;
}

.cookie-popup__text a {
    text-decoration: underline;
}

.cookie-popup__btn {
    background-color: var(--color-primary);
    color: #fff;
    border: none;
    padding: 10px 25px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
    flex-shrink: 0;
    transition: background-color 0.3s ease;
}

.cookie-popup__btn:hover {
    background-color: var(--color-primary-hover);
}

@media (max-width: 768px) {
    .cookie-popup__content {
        flex-direction: column;
        text-align: center;
    }
}

/* 12. Стили для страниц политик (privacy.html, terms.html и т.д.) */
.pages {
    padding: 120px 0 80px 0; /* Отступ сверху больше из-за фиксированного хедера */
}

.pages .container {
    max-width: 800px; /* Ограничиваем ширину для лучшей читабельности */
}

.pages h1 {
    font-size: 42px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 20px;
}

.pages h2 {
    font-size: 28px;
    margin-top: 40px;
    margin-bottom: 20px;
}

.pages p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.pages ul {
    list-style: disc;
    padding-left: 25px;
    margin-bottom: 20px;
}

.pages li {
    color: var(--color-text-secondary);
    margin-bottom: 10px;
}

.pages a {
    text-decoration: underline;
}

.pages a:hover {
    text-decoration: none;
}

.pages strong {
    color: var(--color-text-primary);
    font-weight: 500;
}